Questions tagged as 'c#'

Tagged questions
3
answers

Server.MapPath fails within Global.asax

In the code below, when I try to call the MapPath function inside Global.asax, a run-time error occurs with the following error message:   System.Web.HttpException (0 × 80004005): Request is not available in   this context. The faulty cod...
asked by 12.12.2013 / 17:25
2
answers

Why are some string methods static?

I'm learning C # after already working with other languages, I noticed that some methods need to be called by the class string.Concat("123","456") I usually use it in other languages this way "123".Concat("456") Why can not you? Can...
asked by 13.03.2017 / 13:29
1
answer

Get all classes that implement a generic interface

I have an interface similar to this: public interface InterfaceA<T> { T Exemplo(); } And other classes implement it. public class ExemploA : InterfaceA<Int32> { Int32 Exemplo(); } public class ExemploB : InterfaceA<...
asked by 13.01.2017 / 17:33
1
answer

What is the correct way to declare a WebMethod asmx in C # to receive POST requests with parameters?

I'm trying to put together a file upload process for a web service done in c # .asmx but I'm not able to manipulate the sending of parameters through the POST method. This is the webMethod I created: [WebMethod] [SoapHeader("UserAu...
asked by 22.08.2014 / 21:27
1
answer

How to download automatic in site that calls JavaScript?

I need to make a program that downloads PDFs from several sites daily and automatically. It is very easy to perform this operation using the C # WebClient command, however, on certain sites it is not possible to find the download URL in any way....
asked by 30.05.2014 / 16:33
3
answers

How to replace hexadecimal value in a binary file?

Can you tell me how to replace the Hex value of a file with C #? Example: Replace 62 61 72 ( "bar" ) with 66 6F 6F ( "foo" ).     
asked by 28.02.2014 / 15:01
1
answer

How to make a drive system using touch in unity?

When you slide your finger up screen performs the command and when you slide your finger down the command executes, an example of a command would be a move up and a move down with the touch me returning a type bool co_de % or% with%.    ...
asked by 13.12.2015 / 19:44
1
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How to export a Datatable to Excel without formatting the information?

I need to export a number to Excel, but it always formats in an inappropriate way. Expected form: -8,0902322222234 Received: -809.023.222.222.234 Column data for Datatable is typed with string. Data is displayed in...
asked by 02.01.2016 / 00:14
2
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Ask ExpressionFuncT, bool via parameter using object that is in a foreach

I have a template called Entity , this template has links (1 - N) with three other templates. public class Entity { // Outras propriedades removidas para brevidade public virtual List<SpecificInfo> SpecificInfo { get; set;...
asked by 03.06.2016 / 21:22
1
answer

What is the best type in SQL to use with CryptoCurrency?

I am developing a system where I will store transactions of CryptoCurrencies, type Bitcoin, I can not in any way have problems of conversion and rounding, in C # I checked and the best is decimal , right? The values will be in this forma...
asked by 08.12.2017 / 19:31